General description 10X N3 Glow Plug Spark is designed for 1/10 and 1/8 RC truck nitro engines, specifically suitable for 4c engines using 5%-40% nitro fuels. This glow plug enhances idle performance and transition, making it an essential component for optimal engine operation. Technical specifications Item Model: N3 Size: 1.8*1.8*0.9 cm Material: Metal Color: Silver Package contents 10 * Glow Plug 10 * Gasket Other information Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly from the actual product. The measurement allowed error is +/- 1-3 cm.